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Contra Costa County
Contra Costa County, California
County in California, United States.
External Pages About Contra Costa County
Dewey Decimal Classification
U.S. National Archives
OpenStreetMap Relation
Getty Thesaurus of Geographic Names
INaturalist Place
ISNI
Reddit Topic
Statements about
Contra Costa County
Located in the Administrative Territorial Entity
California
Country
United States
Coordinate Location
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37.9300°N 121.9500°W
Locator Map Image
Instance Of
County of California
Population
10 items
1,049,025
(4/1/2010)
Unnamed
:
bug: P459
Statement Supported By
:
2010 United States Census
Point in Time
:
4/1/2010
1,052,700
(7/1/2010)
Unnamed
:
bug: P459
Point in Time
:
7/1/2010
1,065,917
(7/1/2011)
Unnamed
:
bug: P459
Point in Time
:
7/1/2011
1,078,257
(7/1/2012)
Unnamed
:
bug: P459
Point in Time
:
7/1/2012
1,094,205
(7/1/2013)
Unnamed
:
bug: P459
Point in Time
:
7/1/2013
1,126,745
(2015)
Unnamed
:
bug: P459
Point in Time
:
2015
1,155,879
(January 2019)
Unnamed
:
bug: P459
Point in Time
:
January 2019
1,153,526
(7/1/2019)
Unnamed
:
bug: P459
Point in Time
:
7/1/2019
1,149,363
(January 2018)
Unnamed
:
bug: P459
Point in Time
:
January 2018
1,165,927
(4/1/2020)
Unnamed
:
bug: P459
Statement Is Subject Of
:
2020 United States Census
Point in Time
:
4/1/2020
Official Website
http://www.contracosta.ca.gov
Area
2,078 square kilometre
Image
Shares Border With
Alameda County
Solano County
Sacramento County
San Joaquin County
Inception
1850
Contains the Administrative Territorial Entity
Martinez
Capital
Martinez
Page Banner
Located in Time Zone
Pacific Time Zone
Seal Image
Part Of
Oakland–Fremont–Berkeley Metropolitan Division
Native Label
Contra Costa County
Named After
Opposite Coast
Relative To
:
San Francisco
Phone Number
+1-925-313-1180
Per Capita Income
50,118 United States dollar
(12/31/2020)
Unnamed
:
bug: P459
Statement Supported By
:
2016–2020 American Community Survey
Point in Time
:
12/31/2020
Number of Households
398,299
(12/31/2020)
Unnamed
:
bug: P459
Statement Supported By
:
2016–2020 American Community Survey
Point in Time
:
12/31/2020
Authority
County of Contra Costa
Geoshape
Headquarters Location
Martinez
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Wikidata
